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  <title>Recycle Bin</title>
  
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  <div align="center">
    <h1>已删除的课程</h1>
    <a href="" >彻底删除所有课程</a>
    <br> <br>
    <table border="1" align="center">
      <tr>
        <th>lesson id</th>
        <th>lesson name</th>
        <th>teacher name</th>
        <th>classroom</th>
        <th>Is_restore</th>
        <th>Is_delete</th>
      </tr>
      <tr>
        <td>1</td>
        <td>Computer Science</td>
        <td>Jack</td>
        <td>B612</td>
        <td><a href="">restore</a></td>
        <td><a href="">delete</a></td>
      </tr>
      <tr>
        <td>2</td>
        <td>Math</td>
        <td>Mike</td>
        <td>A122</td>
        <td><a href="">restore</a></td>
        <td><a href="">delete</a></td>
      </tr>
      <tr>
        <td>3</td>
        <td>Data Structure</td>
        <td>Aaron</td>
        <td>B108</td>
        <td><a href="">restore</a></td>
        <td><a href="">delete</a></td>
      </tr>
      <tr>
        <td>4</td>
        <td>Operating Systems</td>
        <td>Abel</td>
        <td>A222</td>
        <td><a href="">restore</a></td>
        <td><a href="">delete</a></td>
      </tr>
      <tr>
        <td>5</td>
        <td>Linux</td>
        <td>Joe</td>
        <td>B508</td>
        <td><a href="">restore</a></td>
        <td><a href="">delete</a></td>
      </tr>
    </table>

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